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Merge pull request #367 from cdavis5e/16-bit-storage

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Support the VK_KHR_16bit_storage extension.
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Bill Hollings 2018-12-05 05:24:23 +01:00 committed by GitHub
commit 5a93d80de0
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3 changed files with 29 additions and 8 deletions
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27
Docs/MoltenVK_Runtime_UserGuide.md
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@ -221,17 +221,28 @@ in your source code files as follows:
In addition to the core *Vulkan* API, **MoltenVK** also supports the following *Vulkan* extensions: In addition to the core *Vulkan* API, **MoltenVK** also supports the following *Vulkan* extensions:
- `VK_KHR_16bit_storage`
- `VK_KHR_dedicated_allocation`
- `VK_KHR_descriptor_update_template`
- `VK_KHR_get_memory_requirements2`
- `VK_KHR_get_physical_device_properties2`
- `VK_KHR_image_format_list`
- `VK_KHR_maintenance1`
- `VK_KHR_maintenance2`
- `VK_KHR_maintenance3`
- `VK_KHR_push_descriptor`
- `VK_KHR_relaxed_block_layout`
- `VK_KHR_sampler_mirror_clamp_to_edge`
- `VK_KHR_shader_draw_parameters`
- `VK_KHR_storage_buffer_storage_class`
- `VK_KHR_surface`
- `VK_KHR_swapchain`
- `VK_EXT_shader_viewport_index_layer`
- `VK_EXT_vertex_attribute_divisor`
- `VK_MVK_moltenvk` - `VK_MVK_moltenvk`
- `VK_MVK_macos_surface` (macOS) - `VK_MVK_macos_surface` (macOS)
- `VK_MVK_ios_surface` (iOS) - `VK_MVK_ios_surface` (iOS)
- `VK_KHR_surface` - `VK_AMD_negative_viewport_height`
- `VK_KHR_swapchain`
- `vk_KHR_maintenance1`
- `vk_AMD_negative_viewport_height`
- `vk_KHR_shader_draw_parameters`
- `vk_KHR_get_physical_device_properties2`
- `vk_KHR_push_descriptor`
- `vk_KHR_descriptor_update_template`
- `VK_IMG_format_pvrtc` (iOS) - `VK_IMG_format_pvrtc` (iOS)
In order to visibly display your content on *iOS* or *macOS*, you must enable the `VK_MVK_ios_surface` In order to visibly display your content on *iOS* or *macOS*, you must enable the `VK_MVK_ios_surface`

9
MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
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@ -65,6 +65,15 @@ void MVKPhysicalDevice::getFeatures(VkPhysicalDeviceFeatures2* features) {
auto* next = (VkStructureType*)features->pNext; auto* next = (VkStructureType*)features->pNext;
while (next) { while (next) {
switch (*next) { switch (*next) {
case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_16BIT_STORAGE_FEATURES: {
auto* storageFeatures = (VkPhysicalDevice16BitStorageFeatures*)next;
storageFeatures->storageBuffer16BitAccess = true;
storageFeatures->uniformAndStorageBuffer16BitAccess = true;
storageFeatures->storagePushConstant16 = true;
storageFeatures->storageInputOutput16 = true;
next = (VkStructureType*)storageFeatures->pNext;
break;
}
case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VERTEX_ATTRIBUTE_DIVISOR_FEATURES_EXT: { case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VERTEX_ATTRIBUTE_DIVISOR_FEATURES_EXT: {
auto* divisorFeatures = (VkPhysicalDeviceVertexAttributeDivisorFeaturesEXT*)next; auto* divisorFeatures = (VkPhysicalDeviceVertexAttributeDivisorFeaturesEXT*)next;
divisorFeatures->vertexAttributeInstanceRateDivisor = true; divisorFeatures->vertexAttributeInstanceRateDivisor = true;

1
MoltenVK/MoltenVK/Layers/MVKExtensions.def
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@ -30,6 +30,7 @@
#define MVK_EXTENSION_LAST(var, EXT) MVK_EXTENSION(var, EXT) #define MVK_EXTENSION_LAST(var, EXT) MVK_EXTENSION(var, EXT)
#endif #endif
MVK_EXTENSION(KHR_16bit_storage, KHR_16BIT_STORAGE)
MVK_EXTENSION(KHR_dedicated_allocation, KHR_DEDICATED_ALLOCATION) MVK_EXTENSION(KHR_dedicated_allocation, KHR_DEDICATED_ALLOCATION)
MVK_EXTENSION(KHR_descriptor_update_template, KHR_DESCRIPTOR_UPDATE_TEMPLATE) MVK_EXTENSION(KHR_descriptor_update_template, KHR_DESCRIPTOR_UPDATE_TEMPLATE)
MVK_EXTENSION(KHR_get_memory_requirements2, KHR_GET_MEMORY_REQUIREMENTS_2) MVK_EXTENSION(KHR_get_memory_requirements2, KHR_GET_MEMORY_REQUIREMENTS_2)